JP5203423B2 - Lighting device - Google Patents

Lighting device Download PDF

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Publication number
JP5203423B2
JP5203423B2 JP2010138954A JP2010138954A JP5203423B2 JP 5203423 B2 JP5203423 B2 JP 5203423B2 JP 2010138954 A JP2010138954 A JP 2010138954A JP 2010138954 A JP2010138954 A JP 2010138954A JP 5203423 B2 JP5203423 B2 JP 5203423B2
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JP
Japan
Prior art keywords
heat sink
lighting device
heat
front
rear
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP2010138954A
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Japanese (ja)
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JP2011238580A (en
Inventor
勇 大木
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亞鈿股▲分▼有限公司
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Publication date
Priority to TW099114790 priority Critical
Priority to TW99114790 priority
Priority to TW099117571A priority patent/TWI393839B/zh
Priority to TW099117571 priority
Application filed by 亞鈿股▲分▼有限公司 filed Critical 亞鈿股▲分▼有限公司
Publication of JP2011238580A publication Critical patent/JP2011238580A/en
Application granted granted Critical
Publication of JP5203423B2 publication Critical patent/JP5203423B2/en
Application status is Expired - Fee Related legal-status Critical
Anticipated expiration legal-status Critical

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50Cooling arrangements
    • F21V29/70Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/83Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21KNON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20Light sources comprising attachment means
    • F21K9/23Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
    • F21K9/232Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50Cooling arrangements
    • F21V29/70Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/71Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements
    • F21V29/713Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements in direct thermal and mechanical contact of each other to form a single system
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00Fastening of light sources or lamp holders
    • F21V19/001Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F21V19/003Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
    • F21V19/0055Fastening of light source holders, e.g. of circuit boards or substrates holding light sources by screwing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/15Thermal insulation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V3/00Globes; Bowls; Cover glasses
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2107/00Light sources with three-dimensionally disposed light-generating elements
    • F21Y2107/40Light sources with three-dimensionally disposed light-generating elements on the sides of polyhedrons, e.g. cubes or pyramids
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00Light-generating elements of semiconductor light sources
    • F21Y2115/10Light-emitting diodes [LED]

Description

  The present invention relates to a lighting device, and more particularly to a lighting device having a wide illumination range and a long service life.

  8 and 9 show a lighting device disclosed by the specification of Taiwan Utility Model M377525, FIG. 8 is an exploded view, and FIG. 9 is a perspective view.

  The lighting device is a light bulb-type lighting device using LEDs (light emitting diodes), and a power source connecting means is attached to the rear side (lower side in the figure). And a plurality of light emitting diode modules 13 are attached to the circuit board 12.

Taiwan Utility Model M377525

  In the above conventional bulb-type lighting device, the front (upward in the figure) is illuminated by the three light emitting diode modules 13 arranged obliquely at the tip, but the brightness is clearly insufficient as compared with the illumination in the surrounding direction. Therefore, for example, when it is arranged on the ceiling, the area directly below the light bulb-type lighting device becomes relatively dark.

  In addition, the conventional bulb-type lighting device has a problem in that it has a short service life due to insufficient heat countermeasures.

  In view of the above problems, an object of the present invention is to provide an illumination device having a wide illumination range and a long service life.

In order to achieve the above object, the present invention is a lighting device having a bulb and a power connection means fixed to the rear side of the bulb, and is formed in a straight tube shape having both front and rear openings, and a front end portion of the lighting device is A first heat sink housed in the bulb, a flat body, and immediately before the front end opening of the first heat sink, one surface is the front surface and the other surface is the rear surface, and the front end opening of the first heat sink is The second heat sink is disposed so as to face the second heat sink and the inner peripheral surface of the first heat sink. The second heat sink penetrates into the tube of the first heat sink and can conduct heat with the second heat sink. And a light emitting means attached to the first and second heat sinks, wherein the light emitting means comprises the first heat sink. A first circuit board attached to the outer peripheral surface of the front end of the second circuit board, a second circuit board attached to the front surface of the second heat sink, and the first circuit board. A plurality of light emitting units arranged so that light can be emitted around the heat sink, and arranged so that light can be projected toward the front of the second heat sink on the second circuit board. At least one light emitting unit, and the first heat sink is composed of a rear tube body and a front tube body, and the entire rear tube body is formed of the first heat sink. The front tube has a rear end portion, a portion of the rear end of the front tube is inserted into the rear tube, and a portion other than the portion is exposed from the rear tube, and the front end portion of the first heat sink is exposed. With a polygonal cross section That is to provide a lighting device according to claim.

  In the lighting device, the power connection means is attached to the rear tube body of the first heat sink, and the bulb is attached to the front side from the power connection means of the rear tube body of the first heat sink. Preferably it is.

  In the lighting device, the bulb is preferably made of a light transmitting material, and a fluorescent paint is further applied to the inner surface thereof.

  In the illumination device, the light emitting unit is preferably an LED module.

  In the lighting device according to the first embodiment of the present invention, in the lighting device, at least one heat conducting plate is interposed between the first heat sink and the third heat sink so that heat conduction is possible. It has become.

  Moreover, in 2nd Embodiment of the illuminating device of this invention, in the said illuminating device, a said 2nd heat sink is arrange | positioned so that the front-end opening of a said 1st heat sink may be spaced apart, and with a said 3rd heat sink It is insulated from the first heat sink.

  More specifically, in the second embodiment of the illuminating device of the present invention, heat insulating sleeves are attached to both ends of the front tube portion of the first heat sink so as to be inserted into the tube from the end portions one by one. The second heat sink is attached to the heat insulating sleeve at the front end of the first heat sink, and the third heat sink is formed in a tubular shape, and the two heat sinks Held between the sleeves, whereby the second heat sink and the third heat sink are both configured to be insulated from the first heat sink.

  Incidentally, it is preferable that the power connection means is fixed so as to be screwed to a rear end portion of the rear tube.

  The first circuit board is a flexible board and is preferably fixed so as to be in close contact with the outer peripheral surface of the front end portion of the first heat sink.

  The illuminating device of the present invention having the above configuration is attached to the first circuit board attached to the outer peripheral surface of the front end portion of the straight tubular first heat sink and the second heat sink on the front side of the first heat sink. A plurality of light emitting units capable of emitting light around the first heat sink and projecting light in front of the second heat sink are arranged on two circuit boards, the second circuit board and the second circuit board, respectively. Therefore, since the illumination range is wider than that of the prior art and the heat capacity of the first and second heat sinks is higher, it is possible to provide an illuminating device having a longer service life than that of the prior art.

It is a disassembled sectional view of the illuminating device of the 1st Embodiment of this invention. It is the exploded view which abbreviate | omitted the valve | bulb 2 of the 1st Embodiment of this invention. It is sectional drawing of the assembled state of the 1st Embodiment of this invention. It is an exploded view which shows the partial structure of the 2nd Embodiment of this invention. It is an exploded sectional view of a part composition of a 2nd embodiment of the present invention. It is sectional drawing of the assembled state of the 2nd Embodiment of this invention. It is sectional drawing of the assembled state of the 3rd Embodiment of this invention. It is an exploded view in which an example of a conventional LED lighting device is shown. It is a perspective view of the LED lighting device.

  The manufacturing method and configuration of each preferred embodiment of the present invention will be described below with reference to the drawings.

  FIG. 1 is an exploded sectional view of a lighting device according to a first embodiment of the present invention, FIG. 2 is an exploded view in which a bulb 2 is omitted, and FIG. 3 is a sectional view in an assembled state.

  As shown in FIGS. 1 to 3, the lighting device of the present invention includes a straight tubular first heat sink 31 having both front and rear openings, and a flat plate disposed immediately before the front end opening of the first heat sink 31. Second heat sink 32, third heat sink 33 penetrating into the tube of first heat sink 31, power connection means 6 attached to first heat sink 31, first and second A light emitting means 4 attached to the heat sink, an annular cover 5 and a bulb 2 are provided.

  The first heat sink 31 is made of an aluminum material excellent in heat conduction, and includes a rear tube body 31A and a front tube body 31B. Then, when FIG. 3 is viewed in detail, the rear tube body 31A as a whole is the rear end portion of the first heat sink 31, and a part of the rear tube body 31B is inserted into the rear tube body 31A. A portion other than a portion is exposed from the rear tube body 31A to be a front end portion of the first heat sink 31, and is formed in a hexagonal cross section. Further, screw holes 311 and 312 are formed in the overlapping portions of the rear tube body 31A and the front tube body 31B, respectively, and are fixed integrally by screws 313 that are inserted through the screw holes 311 and 312 at the same time. Has been.

  The second heat sink 32 is a flat plate made of an aluminum material like the first heat sink 31, and immediately before the front end opening of the first heat sink 31, one surface becomes the front surface and the other surface becomes the rear surface, and the front end opening. And the rear surface of the first heat sink 31 is directed toward the opening.

  The third heat sink 33 is also made of an aluminum material. The third heat sink 33 is inserted into the tube of the first heat sink 31 at a distance from the inner peripheral surface of the first heat sink 31, and the heat conducting washer 35 is attached to the third heat sink 33. Heat conduction with the second heat sink 32 is possible. In this embodiment, six heat conducting plates 34 are interposed between the third heat sink 33 and the first heat sink 31, and heat conduction with the first heat sink 31 is also possible. Furthermore, in this embodiment, the 1st heat sink 31, each heat-conducting plate 34, and the 3rd heat sink 33 can be formed integrally. The second heat sink 32 is formed with a distance from the front end opening of the first heat sink 31 by the thickness of the heat conducting washer 35, and is fixed to the third heat sink 33 by a screw 36 made of a heat conducting material. .

  The power supply connecting means 6 is attached to the rear end portion of the rear tube body 31A. In this embodiment, brass is used, which is formed as a base that can be used for a conventional light bulb socket, and the rear end portion of the rear tube body 31A. It is screwed to the part. Further, the power supply connecting means 6 can be integrated with the rear end portion of the rear tube body 31A by punching. Furthermore, the power supply connection means 6 can be formed as another power supply terminal or provided with an AC / DC conversion circuit 61 as required. Further, a vent hole 62 is formed at the rear end of the power supply connecting means 6 so as to communicate with the inside of the pipe of the rear pipe body 31A and to release the air heated in the pipe to the outside.

  The valve 2 has a rear end portion (rear tube body 31A) of the first heat sink 31 so that a front end portion (a portion exposed from the rear tube body 31A of the front tube body 31B) of the first heat sink 31 is accommodated therein. ) Is attached to the front side from the power connection means 6. The bulb 2 is made of a light transmitting material, and a special fluorescent paint 22 capable of generating white light from blue light, for example, is applied to the inner surface thereof.

  The annular cover 5 is attached to a portion of the rear tube body 31 </ b> A between the power connection means 6 and the valve 2, and is configured to cover the rear end edge of the valve 2.

  The light emitting means 4 includes a first circuit board 41 attached to the outer peripheral surface of the front tube 31B of the first heat sink 31, and a second circuit board 42 attached to the front surface of the second heat sink 32. A plurality of light emitting units 43 arranged on the first circuit board 41 so that light can be emitted around the first heat sink 31, and the second circuit board 42 on the front side of the second heat sink 32. And a plurality of light emitting units 43 arranged so as to be able to project toward the light.

  The first circuit board 41 is made of a flexible board and has a hexagonal cross section in close contact with the outer peripheral surface of the front tube body 31B.

  Each light emitting unit 43 is an LED module, and it is particularly preferable to use an LED module that can generate blue light.

  In addition, an electrically insulating material is interposed between the first and second heat sinks 31 and 32 and the first and second circuit boards 41 and 42, respectively. In addition, an electrically insulating material is also interposed between the first heat sink 31 and the power connection means 6.

  With the configuration described above, the lighting device of the present invention includes the first circuit board 41 attached to the outer peripheral surface of the front end portion of the straight tubular first heat sink 31 and the second circuit on the front side of the first heat sink 31. A plurality of circuit boards, including a second circuit board 42 attached to the heat sink 32, can emit light around the first heat sink 31 and project light forward of the second heat sink 32. Since the light emitting unit 43 is arranged, the illumination range is wider than before, and furthermore, the heat treatment of the first, second, and third heat sinks 31, 32, and 33 has high heat dissipation, so the service life is longer than before. A long lighting device can be provided.

  Furthermore, the first heat sink 31 rear tube body 31A of the present invention can transmit heat to a light bulb socket or the like via the power supply connection means 6 which is a brass cap having excellent heat conduction. That is, the rear tube body 31A has an attachment function fixed to the light bulb socket, a function of temporarily storing heat to increase the heat capacity, and a function of transmitting the stored heat to the light bulb socket.

  4 to 6 show a lighting device according to a second embodiment of the present invention, FIG. 4 is an exploded view showing a part of the configuration, and FIG. 5 is an exploded sectional view of the same part. 6 is a cross-sectional view of the assembled state.

  As shown in FIGS. 4 to 6, the second embodiment of the present invention has a configuration similar to that of the first embodiment, and only the differences will be described in detail below.

  The heat insulating sleeves 30 are attached to both ends of the front pipe portion 31B of the first heat sink 31 so as to be inserted into the pipe from the end portions one by one.

  The heat insulating sleeve 30 is formed of a heat insulating material and is configured to be inserted into the tube of the front pipe portion 31B. When the sleeve portion 301 is inserted into the tube of the front tube portion 31B from the other end, the inner surface of the first heat sink 31 is extended to have a hexagonal periphery corresponding to the shape of the front tube portion 31B of the first heat sink 31. And a mounting plate portion 302 configured to be in contact with the front end surface or the rear end surface of the front tube portion 31B of the 31 and the hexagonal periphery thereof to coincide with the hexagonal periphery of the front tube portion 31B. .

  The second heat sink 32 is attached so as to abut the front end of the heat insulating sleeve 30 attached to the front end of the front pipe portion 31B, and the rear end of the heat insulating sleeve 30 attached to the rear end of the front pipe portion 31B. A heat radiating plate 39 having a plurality of heat radiating holes 391 is in contact therewith.

  The third heat sink 33 is formed in a tubular shape having a smaller diameter than the sleeve portion 301 of the heat insulating sleeve 30, is held between the two heat insulating sleeves 30, and is sandwiched between the second heat sink 32 and the heat radiating plate 39 from the outside. It is.

  The second heat sink 32 is formed with a plurality of vent holes 321 that can communicate with the space inside the pipe of the third heat sink 33, and the second circuit board 42 attached to the second heat sink 32 is also provided. A vent hole 421 that can communicate with the vent hole 321 is formed.

  With this configuration, both the second heat sink 32 and the third heat sink 33 are insulated from the first heat sink 31, and the heat transmitted from the light emitting unit 43 to the first heat sink 31 directly becomes the second heat sink 31. A temperature difference can be created between the first heat sink 31 and the third heat sink 33 without being transmitted to the heat sink 32 and the third heat sink 33, and the air in the space between the first heat sink 31 and the third heat sink 33 can be created. The convection effect can be enhanced. In addition, the air heated in the convection space 38 between the first heat sink 31 and the third heat sink 33 in the pipe, the gap between the third heat sink 33 and the sleeve portion 301 of the heat insulating sleeve 30, It can flow out of the tube of the first heat sink 31 via the vent hole 321 in the second heat sink 32 and the vent hole 421 in the second circuit board 42 and has higher heat dissipation. it can.

  FIG. 7 shows a cross-sectional view of a lighting device according to a third embodiment of the present invention. As shown, this third embodiment has substantially the same configuration as the first embodiment. The difference is that the shape of the valve 2 is different. That is, the shape of the bulb in the lighting device of the present invention is not particularly limited, and can be formed in various shapes.

  The illuminating device of the present invention having the above configuration is attached to the first circuit board attached to the outer peripheral surface of the front end portion of the straight tubular first heat sink and the second heat sink on the front side of the first heat sink. A plurality of light emitting units capable of emitting light around the first heat sink and projecting light in front of the second heat sink are arranged on two circuit boards, the second circuit board and the second circuit board, respectively. Therefore, since the illumination range is wider than the conventional one, and the first and second heat sinks have a higher heat dissipation property, it is possible to provide an illuminating device having a longer service life than the conventional one.

2 Valve 22 Special fluorescent paint 30 Heat insulation sleeve 301 Sleeve portion 302 Mounting plate portion 31 First heat sink 311, 312 Screw hole 313 Screw 31A Rear tube body 31B Front tube body 32 First heat sink 321 Vent hole 33 Third heat sink 34 Heat transfer plate 35 Heat transfer washer
36 screw 38 convection space 39 heat radiating plate 391 heat radiating hole 4 light emitting means 41 first circuit board 42 second circuit board 421 vent hole 43 light emitting unit 5 annular cover 6 power source connecting means 61 AC / DC converting circuit 62 vent hole

Claims (9)

  1. A lighting device having a bulb and power connection means fixed to the rear side of the bulb,
    A first heat sink which is formed in a straight tube having front and rear end openings and whose front end is accommodated in the bulb;
    A second flat plate body disposed immediately before the front end opening of the first heat sink, with one surface being the front surface and the other surface being the rear surface, and the rear surface facing the front end opening of the first heat sink; A heat sink,
    A third heat sink that is inserted into the tube of the first heat sink at a distance from the inner peripheral surface of the first heat sink, and is arranged to be capable of conducting heat with the second heat sink; Light emitting means attached to the first and second heat sinks,
    The light emitting means includes
    A first circuit board attached to the outer peripheral surface of the front end of the first heat sink;
    A second circuit board attached to the front surface of the second heat sink;
    A plurality of light emitting units arranged on the first circuit board so as to emit light around the first heat sink;
    And having at least one light emitting unit arranged on the second circuit board so that light can be projected toward the front of the second heat sink ,
    Furthermore, the first heat sink is composed of a rear tube body and a front tube body,
    The whole rear tube body is a rear end portion of the first heat sink, and a part of the rear end of the front tube body is inserted into the rear tube body, and a portion other than the part is the rear tube. The lighting device according to claim 1, wherein the lighting device is exposed from a body and serves as the front end portion of the first heat sink and has a polygonal cross section .
  2. The power connection means is attached to the rear tube of the first heat sink;
    The lighting device according to claim 1 , wherein the bulb is attached to a front side of the rear tube body of the first heat sink from the power connection means.
  3. The valve has been formed of a light transmitting material, the lighting device according to claim 1 or claim 2, characterized in that fluorescent paint is further coated on its inner surface.
  4. The lighting device according to any one of claims 1 to 3 , wherein the light emitting unit is an LED module.
  5. 5. The lighting device according to claim 4 , wherein at least one heat conducting plate is interposed between the first heat sink and the third heat sink so that heat conduction is possible.
  6. The second heat sink is disposed at a distance from a front end opening of the first heat sink, and is insulated from the first heat sink together with the third heat sink. Item 5. The lighting device according to Item 4 .
  7. Heat insulation sleeves are attached to both ends of the front tube portion of the first heat sink so as to be inserted into the tube from the end portions one by one,
    The second heat sink is attached to the thermal insulation sleeve at the front end of the first heat sink;
    Further, the third heat sink is formed in a tubular shape and is held between the two heat insulating sleeves,
    7. The lighting device according to claim 6 , wherein the second heat sink and the third heat sink are both insulated from the first heat sink.
  8. The lighting device according to claim 2 , wherein the power connection means is fixed so as to be screwed to a rear end portion of the rear tube body.
  9.   The lighting device according to claim 1, wherein the first circuit board is a flexible board and is fixed so as to be in close contact with an outer peripheral surface of a front end portion of the first heat sink.
JP2010138954A 2010-05-10 2010-06-18 Lighting device Expired - Fee Related JP5203423B2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
TW099114790 2010-05-10
TW99114790 2010-05-10
TW099117571A TWI393839B (en) 2010-05-10 2010-06-01
TW099117571 2010-06-01

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JP2011238580A JP2011238580A (en) 2011-11-24
JP5203423B2 true JP5203423B2 (en) 2013-06-05

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US (1) US8436517B2 (en)
EP (1) EP2386789A3 (en)
JP (1) JP5203423B2 (en)
KR (1) KR101169364B1 (en)
TW (1) TWI393839B (en)

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